Stored Cross-Site Scripting Vulnerability in Yoast SEO Plugin for WordPress
CVE-2026-1293

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Yoast Seo – Advanced Seo With Real-time Guidance And Built-in Ai
Vendor
CVE Published:
6 February 2026

What is CVE-2026-1293?

The Yoast SEO plugin for WordPress is prone to a Stored Cross-Site Scripting vulnerability that affects all versions up to 26.8. This issue arises from inadequate input sanitization and output escaping in the yoast-schema block attribute, allowing authenticated users with Contributor-level access or higher to inject malicious scripts. Such scripts can execute on pages viewed by other users, potentially leading to unauthorized actions or data exposure.

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Deploy the Patch

Affected Version(s)

Yoast SEO – Advanced SEO with real-time guidance and built-in AI * <= 26.8

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/wordpress-seo/...
https://plugins.trac.wordpress.org/browser/wordpress-seo/...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

suyoung kim
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